Thomas dunn glen



(No Model.)

T. D. GLEN, W. PU-Rvls. su s. SMITH.

PNEUMATIG TIRE.

Patented Aug. 22, 1893.

UNITED STATES PATENT OFFICE.

THOMAS DUNN GLEN, WILLIAM PUHVIS, AND SYDNEY SMITH, OE GLASGOW,

SCOTLAND.

PN EUMATIC TIR'E.

SPECIFICATION forming part of Letters Patent No. 503,660, dated August 22, 1893. Application filed April 6, 1893. Serial No. 469,330. (No model.) Patented in England November 14, 1892, No. 20,459.

To @ZZ whom t may concern:

Be it known that we, THOMAS DUNN GLEN, cycle agent, 52 Park Road, WILLIAM PURvIs, cycle-maker, of 186V Henderson Street, and

SYDNEY SMITH, cyclemaker, of 101 South Woodside Road, Glasgow, Scotland, subjects of the Queen of Great Britain, have invented certain new and useful Improvements in and Relating to Pneumatic Tires and the Method lo of Fastening the Same to the Rims of Vheels, (for which we have received a patent in Great Britain, No. 20,459, dated November 14, 1892,) of which the following is a specification.

This invention relates to pneumatic tires and the method of securing the saine to the rims of wheels. The wheel rim we prefer to use is made in cross section either flat or convex and with a turned over edge beading at either side. The pneumatic tire consists of 2o an ordinary rubber tube inflated with air, over which a canvas covering is secured. The canvas covering is preferably covered with india-rubber so as to form the tread of the tire. One edge of therubber cover with its 2 5 canvas lining is secured to one side of the rim by lacing, belting, wiring, or the like, so as to be fixed rigidly to the rim. Or this side may be secured to the interior surface of the rim by a ribbon of steel or by a wire, cord, chain 3o or the like. The opposite edge of the cover or tread has a wire, chain or cord inserted either in a fold or lap of the canvas or in the rubber itself. This wire may extend right round the rim of the wheel, and the ends may 3 5 be connected at any suitable part by means of a screw nipple or asimple nipple or by twisting the ends of the wires together.

The method of securing the tire to the rim is as follows :-The interior rubber tube,which 4o may or may not be covered with canvas, is first sprung on to the rim of the Wheel and then one edge of the cover is rmly secured, in the manner hereinbefore explained, to the inner surface of the rim. The cover, with the Wire in its other edge, is then laid right over the top of the tube and is secured in position by springing the Wire ring over the beading.' The cover isnow held securely in place, being attached by the fastening at one side, and `the wire at the other side, to the in- 5c side ofthe rim. The cover cannot now corne off as the headings hold it firmlyin place and prevent any possibility of the tire shifting from its position.

If it is desired at any time, in the case of 5 5 puncture 0r the like, to gain access to the inner tube so as to repair it, all that is necessary is to insert a small lever or bar between the wire and the beading, so as to spring the Wire out of its position and thereby release 6o one side of the cover, so that it can be bent right over and the inner tube exposed to view. Repairs can, with this tire, be easily effected in two or three minutes.

Our invention has the following merits among others:-irst, that the fastenings are at the inside of the rim, and therefore they are not liable to be cut or abraded, nor is mud or moisture liable to gain access to them; second, that as the rim is dat or slightly convex, 7o the inner tube has an even surface or seat to rest on; third, that the construction of rim and method of securing the cover or tread, afford every `facility for lateral expansion when running; fourth, that the tire can be fitted onto the rim in a few minutes; fth, that the tire can be taken olf the rim in a few minutes; sixth, that one side of the cover can be easily taken off, so as to aord easy access to the interior tube; seventh, that when the So tire is once secured in position, it cannot displace itself; eighth, that there is little or no possibility of the rim cutting the inner tube or cover.

We are aware that wires have been used for securing the covers of tires to the outside of the rim, and it is to be understood that we never depart from our method of securing the covers to the inside of the rim.

We in all cases, have one side`of the cover 9o permanently secured to the rim, while the other side is removable for the purpose of repairing, at any time.

In order that our said invention may be properly understood, we have hereunto appended an explanatory sheet of drawings, whereon- D Figure'l is a section of our tire and rim-and showing one methodfot' fastening. Fig; 2

f channel o which extends right round itand which is for A'the reception of the heads of the p shows a different method of fastening thetire .to the rim. Fig. 3 showsra third method of fastening the tire to the rim. Fig. 4 shows ar fourth method of fastening the tire to the rim. Fig. 5 is a detail sectional view.

Referrin gto the drawings whereon the same reference letters wherever repeated indicate similar or like parts., a -is the usual rubber tube which is iniated with air.

cis the usual rubber tread.

edges h, h. Y e are spokes.

Aswill be seen the rim d is formed on the'.V

inner circumference withtwo bent over edges or beadings h, hinto one of which, in.F-ig. 1, one side of the covering b, c, is inserted. AA chain f, or a cord or equivalent maybe ininserted in a lap or fold of the canvas b and be extendedright around the tire. The ends of the chain f may be passed through the bead-v ing and the canvas and be hooked together as shownat g, Fig. 1. By passing the chain through the beading the tire is prevented from creeping, 'L'. c. from shifting round the rim, The beading h `holds the right `hand side of .the cover b, c, rmly in place and so that `it cannot be easily moved.

At the opposite side of the cover b, c, a'wire, cord, or chain e, or equivalent' is passed through a lap or fold in the canvas. 'This wire extends Vright round the tire and its ends may be joinedby a nipple or otherwise.

Tzhze rim is or may be made with a Acentral spokes. By using a channel the inner tube a, when inflated,can lie perfectly at on Ythe rim .and it is not liable to be abraded or torn by the spokes.

In fitting the met@ the rim, the sie@ of' ,the

cover, at f, is first inserted into the inside of the beading h and the chain or equivalentY stretched taut, and secured. Then ythe inner tube a is iitted on the rim and the cover brought down over it. The wired side e of the .cover is now sprung into place over the place and the inner tube can beintiated, when the tire will assume the appearance shown at Fig. 1.

. can vbe easily taken off for repairing the inner tube. be first sprung on`the rim and then the cover secured in place.

In Fig. 2 a different methodof securing the right hand side of the tire is shown.

serted in afold of the canvas b and the right inside of the beading h. b is the usual canvas covering for the tube a.V

The left or wired side of the cover 1f preferred the inner Vtube a may of holding the one side of .the cover in'pla'ce is a very secure one. l t

In Fig.3 the rim is shown with triangular shaped beadings h, h and the cover 1s secured firmly at one side by means of two cani lvas flaps m, n (seeFig. 5) ina foldin the'ends nofwhich Wire or other cores are iitted. The

two iiaps, which are continuousv right round the cover, are inserted one at a time 1n the When the tire 1s inated the aps cannot come out through the narrowr opening p' left between the beading and the rim whichis only large enough to allow for the lpassage of asingle fiap at a i time, as Lthey are pulled close together so as Vto formV a thick double ridge or rib too large for the opening*l fit is desii'ed,=hwever,to take them out .at 4any time the tireisdeflated and .the fiaps are pulledoutone `at .a'ft1me.

In Fig. 4 one side of the cover `is held ,1n place' by rneans of a `band or ribbon 'of .steel or other metal k which is rivetedfor secured tothe Yrim d by rivets or'screws Z. vvThe ribbon la presses on v'the cover'b, c, and "holds 1t firmly and Isecurely in place.

In allcases with our invention one side of the coveris fixed firmlyin positiononthe inside of .therim .and the otheris removable so as to be :taken oft for repairs, dac. A thin strip of metal n or a wire or equivalent is or may be pinned to the lrim. Whensecuring the wired side c of the cover` in place the strip nis turned round so as togrpand hold it in place at onepart-while the otherparts are being .forced into position. Figs. 1 and 3 show the vstrip in the two positions. nThe fixed side of the cover maybe secured-.to the rim -by lacing, or wiring if iso desired.

'If desired .the wires, chains, dec., may ibe embedded in the rubber -rcover, instead of folded in the canvas.

Having now fully deseribedour invention, whatwe claim, and desire to secure by Letters Patent, is-

V1. In a tire, the combination withY the'rim having headings h, h', of :the rubber tube a capable of being intiated, acanvas covering b for the tube extending between saidbeadin'gs around said tube, and the rubber tread c, beading h. The cover is now firmly held in one edge of such canvas coveringconnedbetween one of thebeadin gs Vandone of .theedges of the rubber tread, its other edge -formed in' a lap or fold, and a wire cord or chain epassing through such lap or fold, `substantially as specified. i

` 2. In a tire, the combination with the rim havingbeadings h, 'l1/of the rubber tube a 'L capable of being inflated, a canvas 4covering In this figure a strip of steel or other metal j is in- 1 b for the tube, and the rubber tread csaid canvas covering 'and said tread made to extend around the outersurfaces of said beadings, one of the edges of 'said canvas covering fiXedly secured to one-of said headings and the other edge provided with a wire cord IOO IOS

IIO

or chain, whereby suchedge is reinforced and 13o a shoulder is provided engaging with the edge of the rubber tread, substantially as set forth.

3. In a tire, the combination with the rim having beadings h, h, of the rubber tube a, capable of being inflated, a canvas covering outside of such tube having one of its edges constructed in a loop or fold containing a wire cord or chain, and the rubber tread having one of its edges resting against the edge of the canvas so reinforced, substantiallyas set forth.

4. In a tire, the combination with the rim having beadings h, h', of the rubber tube a, capable of being iniated, a canvas covering outside of such tube having one of its edges constructed in a loop or fold containing a wire cord or chain and adjustable strips as n for confining the edge of the canvas so reinforced in position, substantially as set forth.

In witness whereof we have hereunto set 2c our hands, at Glasgow, Scotland, this 15th day of March, 1893.

SYDNEY SMITH. Witnesses:

GEO. BRODIE, Of No. 72 Bshopsgate Street, London, S0-

Z'ietor.

JOSEPH E. MooREs, 8 Gt. Winchester Street, London, E. O., Clerk. 

